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Flashcards in Wk 2 Polycythemia Deck (19)
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1
Q

What is polycythemia?

A

Abnormally high hematocrit, hemoglobin, and RBC count

2
Q

What are the three classifications of polycythemia?

A

Relative, primary, and secondary

3
Q

What is relative polycythemia?

A

Due to increased plasma volume/dehydration

4
Q

What is primary polycythemia?

A

Some sort of genetic change during the person’s lifetime

5
Q

What is primary polycythemia also called?

A

Polycythemia Vera

6
Q

What is secondary polycythemia?

A

When the body compensates for lack of oxygen by making more RBCs.

7
Q

What is an example of secondary polycythemia?

A

COPD

8
Q

A false high hematocrit is what type of polycythemia?

A

Relative

9
Q

What are three causes of secondary polycythemia related to hypoxemia?

A

1) high altitude
2) cardiopulmonary disease
3) Defective oxygen transport

10
Q

What are two causes of secondary polycythemia independent of hypoemia?

A

1) Renal cysts or tumors

2) Extrarenal tumors

11
Q

What is the most common cause of polycythemia?

A

Polycythemia secondary to pulmonary disease

12
Q

What is blood viscosity?

A

How thick the blood is

13
Q

What happens as a results of polycythemia (2 things)

A

1) Increased blood viscosity

2) Increased blood volume

14
Q

What does a high blood viscosity result in?

A

Decreased blood flow

15
Q

What does a high blood volume result in?

A

Hypertension

16
Q

What are symptoms a patient may experience due to hypertension related to polycythemia?

A

Headache, inability to concentrate, ruddy face, possible cyanosis

17
Q

What are complications of decreased blood flow?

A

DVT, hemorrhage, angina, cerebral insufficiency, and TIAs

18
Q

What is a TIA?

A

transient ischemic attack

19
Q

What is a TIA a precursor for?

A

Stroke